Are there aliens on earth or not?
no,there are no aliens in earth but various spaceships have been visited to our planet earth and our moon. when Neil armstrong landed on our earth he found aliens footprints.The country Japan is going to carry expeditions wether there are aliens or not ,as said by hello in his answer,he has not been hearing the news it has come in aaj thak in our indian news.i believe aliens had landed on earth only once, and even i have seen a real alien been experimented.Our news said within 2012 we will come to know with help of a country called JAPAN.